diff --git a/server/logger.js b/server/logger.js
deleted file mode 100644
index e69de29b..00000000
diff --git a/server/util-server.js b/server/util-server.js
index 53b67985..074867f7 100644
--- a/server/util-server.js
+++ b/server/util-server.js
@@ -90,6 +90,9 @@ exports.pingAsync = function (hostname, ipv6 = false) {
 };
 
 exports.mqttAsync = function (hostname, topic, okMessage, options = {}) {
+
+    log.debug("mqtt", `Topic: ${topic}`);
+
     return new Promise((resolve, reject) => {
         const { port, username, password, interval = 20 } = options;
 
@@ -114,7 +117,12 @@ exports.mqttAsync = function (hostname, topic, okMessage, options = {}) {
 
         client.on("connect", () => {
             log.debug("mqtt", "MQTT subscribe topic");
-            client.subscribe(topic);
+
+            try {
+                client.subscribe(topic);
+            } catch (e) {
+                reject(new Error("Cannot subscribe topic"));
+            }
         });
 
         client.on("error", (error) => {
@@ -256,7 +264,7 @@ const parseCertificateInfo = function (info) {
     const existingList = {};
 
     while (link) {
-        log.debug("util", `[${i}] ${link.fingerprint}`);
+        log.debug("cert", `[${i}] ${link.fingerprint}`);
 
         if (!link.valid_from || !link.valid_to) {
             break;
@@ -271,7 +279,7 @@ const parseCertificateInfo = function (info) {
         if (link.issuerCertificate == null) {
             break;
         } else if (link.issuerCertificate.fingerprint in existingList) {
-            log.debug("util", `[Last] ${link.issuerCertificate.fingerprint}`);
+            log.debug("cert", `[Last] ${link.issuerCertificate.fingerprint}`);
             link.issuerCertificate = null;
             break;
         } else {
@@ -292,7 +300,7 @@ exports.checkCertificate = function (res) {
     const info = res.request.res.socket.getPeerCertificate(true);
     const valid = res.request.res.socket.authorized || false;
 
-    log.debug("util", "Parsing Certificate Info");
+    log.debug("cert", "Parsing Certificate Info");
     const parsedInfo = parseCertificateInfo(info);
 
     return {
diff --git a/src/util.js b/src/util.js
index 059e13c2..b1f55201 100644
--- a/src/util.js
+++ b/src/util.js
@@ -54,7 +54,39 @@ function debug(msg) {
 }
 exports.debug = debug;
 class Logger {
+    constructor() {
+        /**
+         * UPTIME_KUMA_HIDE_LOG=debug_monitor,info_monitor
+         *
+         * Example:
+         *  [
+         *     "debug_monitor",          // Hide all logs that level is debug and the module is monitor
+         *     "info_monitor",
+         *  ]
+         */
+        this.hideLog = {
+            info: [],
+            warn: [],
+            error: [],
+            debug: [],
+        };
+        if (typeof process !== "undefined" && process.env.UPTIME_KUMA_HIDE_LOG) {
+            let list = process.env.UPTIME_KUMA_HIDE_LOG.split(",").map(v => v.toLowerCase());
+            for (let pair of list) {
+                // split first "_" only
+                let values = pair.split(/_(.*)/s);
+                if (values.length >= 2) {
+                    this.hideLog[values[0]].push(values[1]);
+                }
+            }
+            this.debug("server", "UPTIME_KUMA_HIDE_LOG is set");
+            this.debug("server", this.hideLog);
+        }
+    }
     log(module, msg, level) {
+        if (this.hideLog[level] && this.hideLog[level].includes(module)) {
+            return;
+        }
         module = module.toUpperCase();
         level = level.toUpperCase();
         const now = new Date().toISOString();
diff --git a/src/util.ts b/src/util.ts
index f584f604..75abd662 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -59,7 +59,46 @@ export function debug(msg: any) {
 }
 
 class Logger {
+
+    /**
+     * UPTIME_KUMA_HIDE_LOG=debug_monitor,info_monitor
+     *
+     * Example:
+     *  [
+     *     "debug_monitor",          // Hide all logs that level is debug and the module is monitor
+     *     "info_monitor",
+     *  ]
+     */
+    hideLog : any = {
+        info: [],
+        warn: [],
+        error: [],
+        debug: [],
+    };
+
+    constructor() {
+        if (typeof process !== "undefined" && process.env.UPTIME_KUMA_HIDE_LOG) {
+            let list = process.env.UPTIME_KUMA_HIDE_LOG.split(",").map(v => v.toLowerCase());
+
+            for (let pair of list) {
+                // split first "_" only
+                let values = pair.split(/_(.*)/s);
+
+                if (values.length >= 2) {
+                    this.hideLog[values[0]].push(values[1]);
+                }
+            }
+
+            this.debug("server", "UPTIME_KUMA_HIDE_LOG is set");
+            this.debug("server", this.hideLog);
+        }
+    }
+
     log(module: string, msg: any, level: string) {
+        if (this.hideLog[level] && this.hideLog[level].includes(module)) {
+            return;
+        }
+
         module = module.toUpperCase();
         level = level.toUpperCase();